L- Menthone 80% to 98%
Mol. Weight : 54.24
Formula : C10H18O.
OTHER NAME p-Menthan-3-one , 1-methyl-4-isopropylcyclohexan-3-one
Boiling Point 208-210
CAS NO. - 89-80-5
Physical Appearance : Colourless, clear Liquid
Odour/Flavour : A characterstic aromatic and minty odour
Assay by GLC : L-MENTHONE upto 98%
Specific Gravity : 0.890 to 0.902
Refractive Index : 1.4470 to 1.4580
Acidity/Alkalinity : Neutral to Litmus
Storage : Keep in cool place
Menthone is a naturally occurring organic compound with a molecular formula C10H18O. l-Menthone (or (5R, 2S)-trans-5-methyl-2-(l-methylethyl)cyclohexanone), shown at right, is the most abundant in nature of the four possible stereoisomers.
Menthone is a monoterpene and a ketone. It is structurally related to menthol which has a secondary alcohol in place of the carbonyl.
Menthone is a constituent of the essential oils of pennyroyal, peppermint, geranium, and others. It is used in perfumery and cosmetics for its characteristic aromatic and minty odor.
Menthone Exists as twoÂ sterioisomers,Â menthone andÂ isomenthoneÂ inÂ manyÂ essentialÂ oils,Â in particular in oils from Mentha spices. The isolation is carried out by fractional distillation of dementholized peppermint oil. They have a strong tendency for interconversion and are therefore, difficult to obtain in high purity Menthone and isomenthone are used for synthetic peppermint oil And in Food, Flavor, Cosmetic, Pharmaceuticals, Tobacco and Perfume Industries.
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